Document undocumented "-" behavior
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sxiv.1
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@ -72,7 +72,7 @@ Start at picture number NUM.
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Print brief usage information to standard output and exit.
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Print brief usage information to standard output and exit.
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.TP
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.TP
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.B \-i
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.B \-i
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Read names of files to open from standard input.
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Read names of files to open from standard input. Also done if FILE is `-'.
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.TP
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.TP
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.B \-o
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.B \-o
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Write list of all marked files to standard output when quitting. In combination
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Write list of all marked files to standard output when quitting. In combination
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